Your computer is currently in Windows Audit Mode and is conflicting with the installation of Google Chrome.
Take your computer out of Audit Mode. Follow the steps listed below.
These steps involve making changes to the Windows registry on your computer. Editing the Windows registry is an advanced process, so you might want to contact your system administrator for help.
Go to the Start menu > Run.
Enter the following in the text box: regedit
Find and right-click the relevant registry key for your operating system:
Windows XP: AuditInProgress in HKLM\System\Setup
Windows Vista: ImageState in HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\State
Windows 7: ImageState in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\State
Delete the value.